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Finding the Third Proportional to 219,742 and 330,198

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Solution

The third proportional to 219,742 and 330,198 is: 496,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,742 : 330,198 = 330,198 : x
  2. Step 2: Convert to fraction form
    219,742/330,198 = 330,198/x
  3. Step 3: Cross multiply
    219,742x = 330,198 × 330,198
  4. Step 4: Simplify right side
    219,742x = 109,030,719,204
  5. Step 5: Solve for x
    x = 109,030,719,204/219,742
  6. Step 6: Final answer
    x = 496,176.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.